summaryrefslogtreecommitdiffstats
path: root/src/usr/diag/attn/common/attnprd.C
blob: e3f98335af4364d3e81a58a1d595618c0ca65f66 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
/* IBM_PROLOG_BEGIN_TAG                                                   */
/* This is an automatically generated prolog.                             */
/*                                                                        */
/* $Source: src/usr/diag/attn/common/attnprd.C $                          */
/*                                                                        */
/* OpenPOWER HostBoot Project                                             */
/*                                                                        */
/* Contributors Listed Below - COPYRIGHT 2014,2019                        */
/* [+] International Business Machines Corp.                              */
/*                                                                        */
/*                                                                        */
/* Licensed under the Apache License, Version 2.0 (the "License");        */
/* you may not use this file except in compliance with the License.       */
/* You may obtain a copy of the License at                                */
/*                                                                        */
/*     http://www.apache.org/licenses/LICENSE-2.0                         */
/*                                                                        */
/* Unless required by applicable law or agreed to in writing, software    */
/* distributed under the License is distributed on an "AS IS" BASIS,      */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or        */
/* implied. See the License for the specific language governing           */
/* permissions and limitations under the License.                         */
/*                                                                        */
/* IBM_PROLOG_END_TAG                                                     */

/**
 * @file attnprd.C
 *
 * @brief HBATTN PRD wrapper class definitions.
 */

#include "ipl/attnsvc.H"
#include "common/attnprd.H"
#include "common/attnops.H"
#include "common/attnlist.H"
#include "common/attntrace.H"
#include "common/attntarget.H"
#include "common/attnproc.H"
#include "common/attnmem.H"
#include <util/singleton.H>
#include <errl/errlmanager.H>

// Custom compile configs

#if !defined(__HOSTBOOT_RUNTIME) && defined(CONFIG_ENABLE_CHECKSTOP_ANALYSIS)
  #include <prdf/prdfMain_ipl.H>
#endif

using namespace std;
using namespace PRDF;
using namespace TARGETING;
using namespace Util;

namespace ATTN
{

void PrdImpl::installPrd()
{
    getPrdWrapper().setImpl(*this);
}

errlHndl_t PrdImpl::callPrd(const AttentionList & i_attentions)
{
    // forward call to the real PRD

    errlHndl_t err = NULL;

    // convert attention list to PRD type

    AttnList attnList;

    i_attentions.getAttnList(attnList);

    ATTN_TRACE("callPrd with Attn Count of %d", attnList.size());

    if(!attnList.empty())
    {
        // AttentionLists keep themselves sorted by attention type
        // with higher priority attentions
        // appearing before those with lower priority, where the
        // priority is defined by the ATTENTION_VALUE_TYPE enum.
        //
        // When an AttentionList is converted to an AttnList
        // the order is preserved.  In this way, the PRD
        // requirement that the highest priority attention
        // appear first in the argument list is satisfied.

        // Checkstop can only be handled in next IPL session. Call
        // separate function to handle CS.
        #if !defined(__HOSTBOOT_RUNTIME) && \
            defined(CONFIG_ENABLE_CHECKSTOP_ANALYSIS)
        if( MACHINE_CHECK == attnList.front().attnType )
        {
            err = PRDF::analyzeCheckStop(attnList.front().attnType, attnList);
        }
        else
        #endif
        {
            err = PRDF::main(attnList.front().attnType, attnList);

            // For the initial NIMBUS chip, there is a HW issue
            // which requires us to clear the "Combined Global
            // interrupt register" on recoverable errors.
            // This also affects Checkstop/Special Attns, but
            // the FSP handles those and already clears the reg.
            // The issue does not apply to host/unit cs attns.
            uint8_t l_ecLevel = 0;
            AttnList::iterator  l_attnIter = attnList.begin();

            // Shouldn't be mixing NIMBUS with CUMULUS,etc...
            // so probably don't need to repeat this call per chip.
            bool l_isNimbus = ( (*l_attnIter).targetHndl->
                                  getAttr<ATTR_MODEL>() == MODEL_NIMBUS );

            // Iterate thru all chips in case PRD handled
            // a chip other than the first one.
            while(l_attnIter != attnList.end())
            {
                l_ecLevel = (*l_attnIter).targetHndl->getAttr<ATTR_EC>();


                if ( (RECOVERABLE == (*l_attnIter).attnType) &&
                     (true == l_isNimbus) && (l_ecLevel < 0x11)
                   )
                {
                    errlHndl_t l_scomErr = NULL;
                    uint64_t   l_clrAllBits = 0;

                    l_scomErr = putScom( (*l_attnIter).targetHndl,
                                         PIB_INTR_TYPE_REG,
                                         l_clrAllBits
                                       );

                    if (NULL != l_scomErr)
                    {
                        ATTN_ERR("Clear PibIntrReg failed, HUID:0X%08X",
                                  get_huid( (*l_attnIter).targetHndl) );
                        errlCommit(l_scomErr, ATTN_COMP_ID);
                    } // failed to clear PIB intr reg

                } // if recoverable attn

                ++l_attnIter;

            } // end while looping thru attn list

        } // end else NOT checkstop

    } // if attn list is not empty

    return err;
}

PrdWrapper & getPrdWrapper()
{
    // prd wrapper singleton access
    return Singleton<PrdWrapper>::instance();
}

PrdWrapper::PrdWrapper()
    : iv_impl(&Singleton<PrdImpl>::instance())
{
    // default call the real PRD
}

errlHndl_t PrdWrapper::callPrd(const AttentionList & i_attentions)
{
    // forward call to the installed PRD implementation.

    ATTN_DBG("call PRD with %d using: %p", i_attentions.size(), iv_impl);

    return iv_impl->callPrd(i_attentions);
}

ProcOps & getProcOps()
{
    return Singleton<ProcOps>::instance();
}

MemOps & getMemOps()
{
    return Singleton<MemOps>::instance();
}

int64_t Attention::compare(const Attention & i_rhs) const
{
    return ATTN::compare(iv_data, i_rhs.iv_data);
}

int64_t compare(const AttnData & i_l, const AttnData & i_r)
{
    if(i_l.attnType < i_r.attnType)
    {
        return -1;
    }

    if(i_r.attnType < i_l.attnType)
    {
        return 1;
    }

    if(i_l.targetHndl < i_r.targetHndl)
    {
        return -1;
    }

    if(i_r.targetHndl < i_l.targetHndl)
    {
        return 1;
    }

    return 0;
}
}
OpenPOWER on IntegriCloud